Completion of three climbing-lane projects (Allegheny, Indian Creek and Jacobs Creek).

May 20, 1982

Computerization and renovation of toll collection system begins.

September 13, 1983

Last original 1940 toll booth still in service at Blue Mountain Interchange is decommissioned, dismantled, and sent to the Smithsonian Institution. (Another, from Fort Littleton Interchange, has been moved to the Allegheny-Kiski Valley Historical Society grounds near Tarentum and is the only one that remains standing assembled, intact and open to the public.)

Groundbreaking on the Mon/Fayette, six-mile link between US 40 and I-70 (Turnpike 43 - James J. Manderino Highway).

February 14, 1989

Groundbreaking for second Lehigh Tunnel ($37 million) to eliminate the last remaining section of two-lane highway on the Turnpike.

October 20, 1989

Groundbreaking for $20 million Mahoning River Bridge, first part of 16.5-mile, $240 million James E. Ross Highway (Turnpike 60) expansion project.

December 5, 1989

Phase I of installation of call boxes along Turnpike.

December 19, 1989

Groundbreaking for $53 million Mid-County Interchange with I-476 (Blue Route) in Montgomery County.

June 13, 1990

Second Lehigh Tunnel is "holed through" (crews from north and south ends met where last unexcavated section was blasted away).

June 15, 1990

Groundbreaking for first roadway section of James E. Ross Highway (Turnpike 60).

July 4, 1990

Turnpike initiates cellular-phone emergency service.

October 12, 1990

The opening of the first six-mile section of the James J. Manderino Highway (Turnpike 43) linking Interstate 70 and US 40 in Washington County.

July 16, 1991

Opening of Keyser Avenue "Ramp C" located on the Northeastern Extension.

November 8, 1991

First coin drop ramp opened on the James E. Ross Highway (Turnpike 60) at Mt. Jackson.

November 22, 1991

Complete installation of call boxes along the entire Turnpike.

November 22, 1991

Opening of the new Lehigh Tunnel. Construction of a new two-lane tunnel, approximately 94 feet west of and running nearly parallel to the existing Lehigh Tunnel is complete. The new Lehigh Tunnel is 4,380 feet long.

June 30, 1992

South (Turnpike 60) - First main line weigh barrier.

September 2, 1992

Main line weigh barrier at Clarks Summit replaced the Scranton (ticket) Interchange. Wyoming Interchange was removed and the new Wyoming Plaza became northern terminus for ticket system.

November 20, 1992

Opening of the James E. Ross Highway (Turnpike 60). Customers traveling on this section utilize the world's first weigh barrier toll system.

Regional implementation of E-ZPass for passenger vehicles only is expanded by six additional interchanges between Carlisle Interchange (#16/226) and the Wyoming Valley Toll Plaza on the Northeastern Extension.

November, 2001

Dual-numbering system installation completed. The Turnpike converted its interchange-numbering system to a "dual-numbering" system incorporating milepost designations along with existing interchange numbers on all roadway signs.

December 15, 2001

System wide implementation of E-ZPass on the ticket system for passenger vehicles. E-ZPass now available from the Delaware River Bridge to the Ohio Turnpike on the east-west mainline and from the Mid-County Interchange to the Wyoming Valley Toll Plaza on the Northeastern Extension.